Investigation of Blends of sPS/B30, B30/iPP and sPS/iPP/B30: Mechanical and Thermal Properties

Abstract:

The mechanical and thermal properties of B30/iPP, B30/sPS and sPS/iPP/B30 blends were investigated by unnotched izod impact tester, DSC and tensile strength tester. The results showed that the mechanical properties of B30/iPP, B30/sPS and sPS/iPP/B30 blends were better than that of homopolymer B30 and sPS. The blend of sPS/B30 with the ratio of 80/20, unnotched izod impact strength was 41.2 KJ/m², tensile strength 32.5 MPa. The blend of B30/iPP with the ratio of 90 to 10, the unnotched izod impact strength was 46.2 KJ/m² and the tensile strength 27.2 MPa; and the blend of sPS/iPP/B30 with the ratio of 90/10/10, the unnotched izod impact strength was 42.3 KJ/m², and the tensile strength 33.7 MPa. DSC result showed that in the blend system of B30/iPP and sPS/iPP/B30 the iPP-Tg region shifted toward the sPS-Tg. However, the sPS-Tg shifted inward slightly.

• Periodical: Applied Mechanics and Materials (Volumes 541-542)
• Pages: 288-292
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.541-542.288
• Online since: March 2014
• Authors: Xiao Yu Yang*, Xin Hua Wu, Yang Feng Zhao, Qi Gu Huang
• Keywords: Isotactic Polypropylene, Mechanical Property, Syndiopolystryene, Thermal Behavior

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